ATMEGA164A-MU View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
ATMEGA164A-MU
Atmel Corporation
ATMEGA164A-MU Datasheet PDF : 32 Pages
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9.3 44M1
164A/164PA/324A/324PA/644A/644PA/1284/1284P
D
Marked Pin# 1 ID
E
TOP VIEW
K
L
D2
Pin #1 Corner
SEATING PLANE
A1
A3
A
SIDE VIEW
1
Option A Pin #1
Triangle
2
3
E2
Option B
Pin #1
Chamfer
(C 0.30)
K
b
e
BOTTOM VIEW
Option C
Pin #1
Notch
(0.20 R)
Note: JEDEC Standard MO-220, Fig. 1 (SAW Singulation) VKKD-3.
SYMBOL
A
A1
A3
b
D
D2
E
E2
e
L
K
COMMON DIMENSIONS
(Unit of Measure = mm)
MIN
0.80
–
0.18
6.90
5.00
6.90
5.00
0.59
0.20
NOM
0.90
0.02
0.20 REF
0.23
7.00
5.20
7.00
5.20
0.50 BSC
0.64
0.26
MAX
1.00
0.05
0.30
7.10
5.40
7.10
5.40
0.69
0.41
NOTE
Package Drawing Contact:
packagedrawings@atmel.com
TITLE
44M1, 44-pad, 7 x 7 x 1.0 mm Body, Lead
Pitch 0.50 mm, 5.20 mm Exposed Pad, Thermally
Enhanced Plastic Very Thin Quad Flat No
Lead Package (VQFN)
GPC
9/26/08
DRAWING NO. REV.
ZWS
44M1
H
27
8272AS–AVR–01/10
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